CN114613650A - Intelligent opening and closing device for circuit breaker - Google Patents
Intelligent opening and closing device for circuit breaker Download PDFInfo
- Publication number
- CN114613650A CN114613650A CN202210288082.9A CN202210288082A CN114613650A CN 114613650 A CN114613650 A CN 114613650A CN 202210288082 A CN202210288082 A CN 202210288082A CN 114613650 A CN114613650 A CN 114613650A
- Authority
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- China
- Prior art keywords
- transmission gear
- circuit breaker
- shell
- toggle
- closing device
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 230000005540 biological transmission Effects 0.000 claims abstract description 64
- 238000001514 detection method Methods 0.000 claims abstract description 13
- 238000000034 method Methods 0.000 claims abstract description 7
- 240000007643 Phytolacca americana Species 0.000 claims abstract description 6
- 238000003756 stirring Methods 0.000 claims abstract description 4
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- 235000009074 Phytolacca americana Nutrition 0.000 description 3
- 238000009434 installation Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
Images
Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H71/00—Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00
- H01H71/10—Operating or release mechanisms
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H3/00—Mechanisms for operating contacts
- H01H3/02—Operating parts, i.e. for operating driving mechanism by a mechanical force external to the switch
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H3/00—Mechanisms for operating contacts
- H01H3/22—Power arrangements internal to the switch for operating the driving mechanism
- H01H3/26—Power arrangements internal to the switch for operating the driving mechanism using dynamo-electric motor
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H3/00—Mechanisms for operating contacts
- H01H3/32—Driving mechanisms, i.e. for transmitting driving force to the contacts
- H01H3/40—Driving mechanisms, i.e. for transmitting driving force to the contacts using friction, toothed, or screw-and-nut gearing
Abstract
The invention discloses an intelligent opening and closing device for a circuit breaker, which comprises: a housing; the poking piece is arranged in the shell in a sliding mode, at least one part of the poking piece extends out of the shell and is matched with a handle of the circuit breaker to switch the state of the circuit breaker, and at least the other part of the poking piece extends out of the shell and is operated by a user to poke the poking piece; the transmission gear is rotationally arranged in the shell, and in the rotating process of the transmission gear, the transmission gear is matched with the fluctuation piece to drive the stirring piece to slide between a first position and a second position; the driving assembly is arranged in the shell and is connected to the transmission gear so as to drive the transmission gear to rotate; the control circuit board is arranged in the shell and is electrically connected to the driving assembly to control the driving assembly to drive the transmission gear, and a first detection element matched with the transmission gear to detect the position of the transmission gear is arranged on the control circuit board. The intelligent opening and closing device for the circuit breaker has the advantages of compact structure, lower production cost and simplicity in operation.
Description
Technical Field
The invention belongs to the technical field of intelligent circuit breakers, and particularly relates to an intelligent opening and closing device for a circuit breaker.
Background
The intelligent mode of the existing circuit breaker is mainly that an automatic opening and closing device is added on one side of the circuit breaker. The circuit breaker and the automatic opening and closing device can be two independent modules which are assembled into a whole, and can also be of an integrated structure. However, in any mode, in the aspect of intelligent upgrading of terminal products in some power distribution fields, an original common breaker needs to be disassembled, and a new intelligent breaker needs to be installed. Meanwhile, the existing scheme also inevitably leads to the increase of the whole width of the circuit breaker, and under the condition that certain width spaces are insufficient, the original installation space can only be enlarged. These processes inevitably result in waste of manpower and material resources.
Disclosure of Invention
The invention provides an intelligent opening and closing device for a circuit breaker, which solves the technical problems in the prior art and adopts the following technical scheme:
an intelligent opening and closing device for a circuit breaker, comprising:
a housing;
the poking piece is arranged in the shell in a sliding mode, at least one part of the poking piece extends out of the shell and is matched with a handle of the circuit breaker to switch the state of the circuit breaker, and at least the other part of the poking piece extends out of the shell and is operated by a user to poke the poking piece;
the transmission gear is rotationally arranged in the shell, and in the rotating process of the transmission gear, the transmission gear is matched with the fluctuation piece to drive the stirring piece to slide between a first position and a second position;
the driving assembly is arranged in the shell and is connected to the transmission gear so as to drive the transmission gear to rotate;
the control circuit board is arranged in the shell and electrically connected to the driving assembly to control the driving assembly to drive the transmission gear, and a first detection element matched with the transmission gear to detect the position of the transmission gear is arranged on the control circuit board.
Further, the transmission gear comprises a first part and a second part which are concentrically overlapped;
the first part is matched with the driving component;
the second part comprises a driving tooth part, a convex part and an avoiding part which are distributed along the circumferential direction of the second part;
the second part is matched with the shifting piece to drive the shifting piece to slide between the first position and the second position.
Further, the transmission gear comprises a third part concentrically superposed with the first part and the second part;
the side surface of the third part is provided with a pointer;
the first detection element is a toggle switch;
the pointer triggers the toggle switch in the rotating process of the transmission gear.
Further, the control circuit board covers the toggle piece, the transmission gear and the driving assembly;
the toggle switch is arranged on one side of the control circuit board, which is far away from the toggle piece;
the third part of the transmission gear penetrates through the control circuit board to be matched with the toggle switch.
Furthermore, the poking piece comprises a body, a poking rod, an engaging tooth part, a first poking part and a second poking part;
the deflector rod and the body are arranged vertically to the deflector rod;
the meshing tooth part is arranged on one side of the body facing the transmission gear to be meshed with the driving tooth part of the second part of the transmission gear;
the poking rod at least partially extends out of the shell for a user to operate so as to poke the poking piece;
the other side of the body opposite to the meshing tooth part is arranged on the first poking part and the second poking part so as to extend out of the shell to be matched with a handle of the circuit breaker, and the handle of the circuit breaker extends into the space between the first poking part and the second poking part.
Furthermore, a second detection element for detecting the position of the toggle piece is arranged on the control circuit board.
Further, the second detection element is a hall sensor;
the poking piece is provided with a magnet matched with the Hall sensor.
Further, the driving assembly comprises a driving motor, a worm gear, a turbine gear and a driving gear;
the driving motor is electrically connected to the control circuit board;
the worm gear is arranged on a motor shaft of the driving motor;
the turbine gear is rotationally arranged in the shell and is meshed with the worm gear;
the driving gear is engaged with the turbine gear and the transmission gear, respectively, to transmit the driving force of the driving motor to the transmission gear.
Furthermore, the shell is provided with a guide convex strip;
the poking piece is provided with a guide groove matched with the guide convex strip.
Further, the extending direction of the guide convex strip is parallel to the longitudinal direction of the shell;
the range of the included angle between the motor shaft of the drive motor and the guide convex strip is greater than or equal to 30 degrees and less than or equal to 60 degrees.
Further, be equipped with the installation department that is used for installing intelligent divide-shut brake device to the circuit breaker on the casing.
Furthermore, the control circuit board is also provided with a wiring terminal.
Furthermore, a first notch is formed in the shell and used for the deflector rod to extend out;
the shell is provided with a second notch, and the wiring terminal is opposite to the second notch.
The intelligent opening and closing device for the circuit breaker has the advantages of compact structure, lower production cost and simplicity in operation.
The intelligent opening and closing device for the circuit breaker has the advantages that the intelligent opening and closing device for the circuit breaker further solves the problem that the common circuit breaker has an automatic opening and closing function of the intelligent circuit breaker under the condition that the common circuit breaker is not replaced, and the additional width space is not occupied.
The intelligent opening and closing device for the circuit breaker has the advantages that the intelligent opening and closing device for the circuit breaker is simple in mounting mode on the circuit breaker, is suitable for most common circuit breakers, and saves a large amount of waste of manpower and material resources. The positive and negative rotation of the driving motor and the reasonable design of the transmission gear and the shifting part can realize the manual switching-on and switching-off and the automatic switching-on and switching-off of the circuit breaker, and the tripping function of the circuit breaker is not influenced.
Drawings
Fig. 1 is a schematic view of an intelligent opening and closing device for a circuit breaker according to the present invention;
fig. 2 is an internal schematic view of an intelligent opening and closing device for a circuit breaker according to the present invention;
fig. 3 is an internal schematic view of an intelligent opening and closing device for a circuit breaker according to the present invention;
fig. 4 is a schematic view of a transmission gear of an intelligent opening and closing device for a circuit breaker according to the present invention;
the intelligent opening and closing device 100 for the circuit breaker comprises a shell 10, a concave part 11, a guide convex strip 12, a mounting part 13, a first notch 14, a second notch 15, a toggle piece 20, a body 21, a toggle rod 22, an engagement tooth part 23, a first toggle part 24, a second toggle part 25, a magnet 26, a guide groove 27, a transmission gear 30, a first part 31, a second part 32, a driving tooth part 321, a convex part 322, an avoidance part 323, a third part 33, a pointer 331, a driving component 40, a driving motor 41, a worm gear 42, a turbine gear 43, a driving gear 44, a control circuit board 50, a toggle switch 51, a Hall sensor 52 and a wiring terminal 53.
Detailed Description
The invention is described in detail below with reference to the figures and the embodiments.
Fig. 1 to 4 show an intelligent opening and closing device 100 for a circuit breaker according to the present application, which is mounted on an existing circuit breaker (not shown). The intelligent opening and closing device 100 for the circuit breaker is matched with a handle of the circuit breaker in an intelligent control mode, and the state of the circuit breaker is switched by changing the position of the handle to control the opening or closing of the circuit breaker.
The application discloses intelligence divide-shut brake device 100 mainly contains: the device comprises a shell 10, a toggle piece 20, a transmission gear 30, a driving assembly 40 and a control circuit board 50. The toggle member 20 is slidably disposed in the housing 10. The toggle member 20 at least partially extends outside the housing 10 to cooperate with a handle of the circuit breaker to switch the state of the circuit breaker. At least another part of the toggle member 20 extends out of the housing 10 for operation by a user to toggle the toggle member 20. The transmission gear 30 is rotatably disposed in the housing 10. During the rotation of the transmission gear 30, the transmission gear 30 cooperates with the toggle piece 20 to drive the toggle piece 20 to slide between the first position and the second position. The driving assembly 40 is disposed in the housing 10 and connected to the transmission gear 30 to drive the transmission gear 30 to rotate. The control circuit board 50 is disposed in the housing 10 and electrically connected to the driving assembly 40 to control the driving assembly 40 to drive the transmission gear 30. The control circuit board 50 is provided with a first detection element which is matched with the transmission gear 30 to detect the position of the transmission gear 30.
In the present application, a recess 11 is provided on the housing 10, a portion of the toggle member 20, which is engaged with the handle of the circuit breaker, extends from the recess 11, and the handle of the circuit breaker extends into the recess 11 and is engaged with the toggle member 20. Through the recess 11, the housing 10 can better cooperate with the circuit breaker, and at the same time, the space occupation can be reduced.
As a preferred embodiment, as shown in fig. 4, the transmission gear 30 includes a first portion 31 and a second portion 32 concentrically arranged one on top of the other.
Specifically, the first portion 31 cooperates with the drive assembly 40. The first portion 31 is a gear wheel which engages the drive assembly 40 via circumferential teeth. The second portion 32 includes a driving tooth portion 321, a protruding portion 322, and an escape portion 323 that are distributed circumferentially along the second portion 32. The second portion 32 drives the toggle member 20 to slide between the first position and the second position by the engagement of the driving tooth portion 321, the protruding portion 322, and the escape portion 323 with the toggle member 20. The toggle member 20 actuates the handle of the circuit breaker during sliding between the first position and the second position, thereby switching the state of the circuit breaker.
In a preferred embodiment, the transmission gear 30 further comprises a third portion 33 concentrically superposed with the first portion 31 and the second portion 32.
Specifically, the side of the third portion 33 is provided with a pointer 331. The first detection element is a toggle switch 51. The pointer 331 triggers the toggle switch 51 during the rotation of the driving gear 30, thereby changing the state of the toggle switch 51. Thus, the position state of the transmission gear 30 can be detected by toggling the switch 51. In turn, it is determined how to control the drive assembly 40 to drive the drive gear 30.
In the present application, the control circuit board 50 covers the dial 20, the transmission gear 30, and the driving assembly 40. The toggle switch 51 is disposed on a side of the control circuit board 50 away from the toggle 20. The third portion 33 of the drive gear 30 is engaged with the toggle switch 51 through the control circuit board 50.
In a preferred embodiment, the toggle member 20 includes a body 21, a toggle lever 22, an engaging tooth portion 23, a first toggle portion 24 and a second toggle portion 25.
The shift lever 22 and the body 21 are perpendicular to the shift lever 22. The meshing tooth portion 23 is provided on a side of the body 21 facing the transmission gear 30 to mesh with the driving tooth portion 321 of the second portion 32 of the transmission gear 30. The toggle lever 22 extends at least partially outside the housing 10 for operation by a user to toggle the toggle member 20. The first toggle part 24 and the second toggle part 25 are arranged on the other side of the body 21 opposite to the meshing tooth part 23 to extend out of the shell 10 to be matched with a handle of the circuit breaker, and the handle of the circuit breaker extends into a position between the first toggle part 24 and the second toggle part 25.
As a preferred embodiment, the control circuit board 50 is further provided with a second detection element for detecting the position of the toggle member 20. Specifically, the second detection element is a hall sensor 52. The toggle 20 is provided with a magnet 26 which cooperates with the hall sensor 52. During the movement of the dial 20, the hall sensor 52 can detect the magnet 26, and thus determine the position of the dial 20.
As a preferred embodiment, the driving assembly 40 includes a driving motor 41, a worm gear 42, a worm gear 43, and a driving gear 44.
Wherein the driving motor 41 is electrically connected to the control circuit board 50. The worm gear 42 is provided on a motor shaft of the drive motor 41. The worm gear 42 is rotatably provided in the housing 10 and meshes with the worm gear 43. The driving gear 44 is engaged with the turbine gear 43 and the transmission gear 30, respectively, to transmit the driving force of the driving motor 41 to the transmission gear 30.
As a preferred embodiment, the housing 10 is provided with guide ribs 12. The dial 20 is provided with a guide groove 27 that engages with the guide rib 12.
Specifically, the extending direction of the guide ribs 12 is parallel to the longitudinal direction of the housing 10. The range of the angle between the motor shaft of the drive motor 41 and the guide ridge 12 is 30 ° or more and 60 ° or less. It is understood that the driving motor 41 is disposed to intersect the longitudinal direction of the housing 10, so that the housing 10 can be made small in both the lateral and longitudinal directions. Further making the housing 10 more compact.
In the present application, the housing 10 is provided with a mounting portion 13 for mounting the intelligent opening/closing device 100 for a circuit breaker to the circuit breaker. The mounting portion 13 is embodied as a mounting screw, which is provided on the recess 11 of the housing 10.
In a preferred embodiment, the control circuit board 50 is further provided with a connection terminal 53. The housing 10 is provided with a first notch 14 for extending the shift lever 22. The housing 10 is provided with a second notch 15, and the connecting terminal 53 faces the second notch 15.
Preferably, the control circuit board 50 is further provided with a plurality of slots through which the driving motor 41, the worm gear 43 and the driving gear 44 pass to penetrate the control circuit board 50. This has the advantage that the thickness of the case 10 can be reduced, thereby making the intelligent opening and closing apparatus 100 for a circuit breaker more compact in structure.
The following specifically describes the opening and closing principle of the intelligent opening and closing device 100 for a circuit breaker according to the present invention. When the switch-on is controlled, the driving motor 41 drives the worm gear 42 to rotate, the driving gear 30 is driven to rotate clockwise by the worm gear 42 and the driving gear 44, the driving tooth portion 321 of the second portion 32 of the driving gear 30 drives the toggle member 20 through the meshing tooth portion 23, and the toggle member 20 moves linearly from the first position to the second position under the cooperation of the guiding convex strip 12 and the guiding groove 27. In the process, the first toggle part 24 continuously applies force to the handle of the circuit breaker until the closing of the circuit breaker is finished. Until the driving tooth 321 and the meshing tooth 23 are separated, no force is transmitted therebetween. The driving gear 30 continues to rotate until the pointer 331 touches the toggle switch 51 on the control circuit board 50, and the driving motor 41 stops rotating. The hall sensor 52 detects the magnet 26. The toggle member 20 is hung on the handle of the circuit breaker, and the toggle rod 22 is located at the avoiding portion 323 of the second portion 32, so that the circuit breaker is closed. At this point, the circuit breaker can be tripped directly, with the toggle 20 returning to the first position. The circuit breaker can also be opened by manually pushing a lever 22 that leaks outside the casing 10.
When the brake is controlled, the transmission gear 30 rotates clockwise from the brake on position, the protrusion 322 of the second portion 32 contacts the shift lever 22, and the shift member 20 is forced to move to the brake off position. The second poking part 25 pokes the handle of the circuit breaker, so that the circuit breaker is opened. The driver 20 moves linearly from the second position to the first position by the engagement of the guide rib 12 and the guide groove 27. Meanwhile, the hall sensor 52 on the control circuit board 50 detects that the magnet 26 on the toggle piece 20 leaves, the driving motor 41 starts to drive the transmission gear 30 to rotate anticlockwise, the pointer 331 touches the toggle switch 51, the driving motor 41 stops rotating, and the opening of the circuit breaker is completed. At this time, the breaker can manually push the straight poking rod 22 to realize the closing of the breaker, and can also realize the electronic control closing.
The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It should be understood by those skilled in the art that the above embodiments do not limit the present invention in any way, and all technical solutions obtained by using equivalent alternatives or equivalent variations fall within the scope of the present invention.
Claims (10)
1. The utility model provides an intelligence divide-shut brake device for circuit breaker which characterized in that contains:
a housing;
the poking piece is arranged in the shell in a sliding mode, at least one part of the poking piece extends out of the shell and is matched with a handle of the circuit breaker to switch the state of the circuit breaker, and at least the other part of the poking piece extends out of the shell and is operated by a user to poke the poking piece;
the transmission gear is rotationally arranged in the shell, and in the rotating process of the transmission gear, the transmission gear is matched with the stirring piece to drive the stirring piece to slide between a first position and a second position;
the driving assembly is arranged in the shell and connected to the transmission gear so as to drive the transmission gear to rotate;
the control circuit board is arranged in the shell and is electrically connected to the driving assembly to control the driving assembly to drive the transmission gear, and a first detection element matched with the transmission gear to detect the position of the transmission gear is arranged on the control circuit board.
2. The intelligent switching-closing device for circuit breaker according to claim 1,
the transmission gear comprises a first part and a second part which are concentrically overlapped;
the first portion cooperates with the drive assembly;
the second part comprises a driving tooth part, a convex part and an avoidance part which are distributed along the circumferential direction of the second part;
the second portion is matched with the poking piece to drive the poking piece to slide between the first position and the second position.
3. The intelligent switching-closing device for circuit breaker according to claim 2,
the transmission gear further comprises a third part concentrically superposed with the first part and the second part;
a pointer is arranged on the side surface of the third part;
the first detection element is a toggle switch;
and the pointer triggers the toggle switch in the rotating process of the transmission gear.
4. The intelligent switching-closing device for a circuit breaker according to claim 3,
the control circuit board covers the poking piece, the transmission gear and the driving assembly;
the toggle switch is arranged on one side of the control circuit board, which is far away from the toggle piece;
and the third part of the transmission gear penetrates through the control circuit board to be matched with the toggle switch.
5. The intelligent switching-closing device for circuit breaker according to claim 2,
the poking piece comprises a body, a poking rod, an engaging tooth part, a first poking part and a second poking part;
the deflector rod and the body are arranged vertically to the deflector rod;
the meshing tooth part is arranged on one side of the body facing the transmission gear to be meshed with the driving tooth part of the second part of the transmission gear;
the poking rod at least partially extends out of the shell for a user to operate so as to poke the poking piece;
the first toggle part and the second toggle part are arranged on the other side of the body opposite to the meshing tooth part to extend out of the shell to be matched with a handle of the circuit breaker, and the handle of the circuit breaker extends into a space between the first toggle part and the second toggle part.
6. The intelligent switching-closing device for circuit breaker according to claim 1,
and the control circuit board is also provided with a second detection element for detecting the position of the toggle piece.
7. The intelligent switching-closing device for circuit breaker according to claim 6,
the second detection element is a Hall sensor;
and the poking piece is provided with a magnet matched with the Hall sensor.
8. The intelligent switching-closing device for circuit breaker according to claim 1,
the driving component comprises a driving motor, a worm gear, a turbine gear and a driving gear;
the driving motor is electrically connected to the control circuit board;
the worm gear is arranged on a motor shaft of the driving motor;
the turbine gear is rotationally arranged in the shell and is meshed with the worm gear;
the driving gear is engaged with the turbine gear and the transmission gear, respectively, to transmit the driving force of the driving motor to the transmission gear.
9. The intelligent switching-closing device for circuit breaker according to claim 8,
the shell is provided with a guide convex strip;
the poking piece is provided with a guide groove matched with the guide convex strip.
10. The intelligent switching-closing device for circuit breaker according to claim 9,
the extending direction of the guide convex strip is parallel to the longitudinal direction of the shell;
the range of an included angle between a motor shaft of the driving motor and the guide protruding strip is greater than or equal to 30 degrees and less than or equal to 60 degrees.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210288082.9A CN114613650B (en) | 2022-03-23 | 2022-03-23 | Intelligent opening and closing device for circuit breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210288082.9A CN114613650B (en) | 2022-03-23 | 2022-03-23 | Intelligent opening and closing device for circuit breaker |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114613650A true CN114613650A (en) | 2022-06-10 |
| CN114613650B CN114613650B (en) | 2022-11-25 |
Family
ID=81865004
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210288082.9A Active CN114613650B (en) | 2022-03-23 | 2022-03-23 | Intelligent opening and closing device for circuit breaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114613650B (en) |
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| CN209747430U (en) * | 2019-06-20 | 2019-12-06 | 山东优柏电子科技有限公司 | Remote opening and closing device for circuit breaker |
| CN111128620A (en) * | 2020-01-19 | 2020-05-08 | 浙江天正电气股份有限公司 | Reclosing device of circuit breaker |
| CN111900055A (en) * | 2020-09-10 | 2020-11-06 | 乐清市建波电气有限公司 | Electric operating mechanism |
| CN112038188A (en) * | 2020-08-11 | 2020-12-04 | 乐清市美卡电气有限公司 | Intelligent miniature circuit breaker with remote control function |
| WO2021109840A1 (en) * | 2019-12-06 | 2021-06-10 | 浙江正泰电器股份有限公司 | Electric operating device for circuit breaker |
| CN213988767U (en) * | 2020-11-09 | 2021-08-17 | 杭州四方博瑞科技股份有限公司 | Intelligent circuit breaker opening and closing device |
| CN113823538A (en) * | 2021-10-25 | 2021-12-21 | 安心智能技术股份有限公司 | Electric switching-on and switching-off device for intelligent circuit breaker |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106067409A (en) * | 2016-08-02 | 2016-11-02 | 许昌许继低压电器有限公司 | The external chopper of electric energy meter |
| CN107871646A (en) * | 2017-11-17 | 2018-04-03 | 宏秀电气有限公司 | Automatic divide-shut brake breaker |
| CN208861908U (en) * | 2018-09-26 | 2019-05-14 | 浙江正泰电器股份有限公司 | A kind of breaker linkage |
| CN110137040A (en) * | 2019-05-20 | 2019-08-16 | 南京觅丹电子信息有限公司 | A kind of four-in-one intelligent breaker |
| CN209747430U (en) * | 2019-06-20 | 2019-12-06 | 山东优柏电子科技有限公司 | Remote opening and closing device for circuit breaker |
| WO2021109840A1 (en) * | 2019-12-06 | 2021-06-10 | 浙江正泰电器股份有限公司 | Electric operating device for circuit breaker |
| CN111128620A (en) * | 2020-01-19 | 2020-05-08 | 浙江天正电气股份有限公司 | Reclosing device of circuit breaker |
| CN112038188A (en) * | 2020-08-11 | 2020-12-04 | 乐清市美卡电气有限公司 | Intelligent miniature circuit breaker with remote control function |
| CN111900055A (en) * | 2020-09-10 | 2020-11-06 | 乐清市建波电气有限公司 | Electric operating mechanism |
| CN213988767U (en) * | 2020-11-09 | 2021-08-17 | 杭州四方博瑞科技股份有限公司 | Intelligent circuit breaker opening and closing device |
| CN113823538A (en) * | 2021-10-25 | 2021-12-21 | 安心智能技术股份有限公司 | Electric switching-on and switching-off device for intelligent circuit breaker |
Also Published As
| Publication number | Publication date |
|---|---|
| CN114613650B (en) | 2022-11-25 |
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Denomination of invention: Intelligent opening and closing device for circuit breakers Granted publication date: 20221125 Pledgee: Guotou Taikang Trust Co.,Ltd. Pledgor: HANGZHOU SIFANG BORUI TECHNOLOGY Co.,Ltd. Registration number: Y2024980004923 |